How to diagnose coronary heart disease?

Written by Liu Ying

Cardiology

Updated on June 14, 2025

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Coronary heart disease can be examined through electrocardiogram (ECG) or ambulatory ECG, echocardiography, coronary CT, or coronary angiography. However, the gold standard for diagnosing coronary heart disease is coronary angiography, where a certain degree of stenosis can confirm the diagnosis. If coronary heart disease is confirmed, it is important to adjust lifestyle factors on one hand and, on the other hand, have a specialist doctor formulate a reasonable treatment plan. If there is no emergency condition, medications such as antiplatelet drugs and lipid-regulating drugs should be taken.

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Written by Tang Li

Cardiology

1min 19sec

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What to do if coronary heart disease causes constipation?

Patients with coronary heart disease should pay attention to bowel movements, as difficulty in defecation can lead to intestinal obstruction. This is especially true for elderly patients with diabetes. Additionally, straining during bowel movements can easily induce angina or even lead to myocardial infarction or sudden death. Patients with constipation should consider the following issues. Firstly, their diet should include high-fiber foods; secondly, appropriate exercise should be undertaken; thirdly, some patients may take laxatives, and currently, there are many laxatives suitable for the elderly available clinically with relatively minor side effects and good efficacy; fourthly, some patients may use enemas for prolonged constipation, but long-term use is not recommended. Besides preventing constipation, patients with coronary heart disease should also maintain a calm demeanor, avoid emotional fluctuations, and prevent overeating or vigorous activity, as these can cause insufficient blood supply to the heart, triggering angina or myocardial infarction. (Specific medications should be used under the guidance of a doctor.)

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Written by Liu Yong

Cardiology

1min 6sec

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Is premature beat related to coronary heart disease?

Firstly, there is no direct connection between coronary heart disease and premature contractions. If we must discuss whether ventricular premature beats are related to coronary heart disease, we should mainly consider patients with myocardial ischemia, especially those with active myocardial ischemia. In these cases, premature beats may be somewhat related to coronary heart disease, but these two conditions cannot be directly equated. Since the majority of premature contractions are unrelated to coronary heart disease, these two issues should not be confused or directly equated. It is common to see some elderly people with premature contractions on their ECGs and consider coronary heart disease, but this consideration is not entirely correct. Of course, the occurrence of real premature beats, especially frequent ventricular premature beats, also suggests the possibility of myocardial ischemia. However, a large number of people, even those with obvious real premature beats, do not have significant coronary insufficiency, thus there is no direct relationship between the two.

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Written by Liu Ying

Cardiology

46sec

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How to diagnose coronary heart disease?

Coronary heart disease can be examined through electrocardiogram (ECG) or ambulatory ECG, echocardiography, coronary CT, or coronary angiography. However, the gold standard for diagnosing coronary heart disease is coronary angiography, where a certain degree of stenosis can confirm the diagnosis. If coronary heart disease is confirmed, it is important to adjust lifestyle factors on one hand and, on the other hand, have a specialist doctor formulate a reasonable treatment plan. If there is no emergency condition, medications such as antiplatelet drugs and lipid-regulating drugs should be taken.

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Written by Li Hai Wen

Cardiology

58sec

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How is coronary heart disease diagnosed?

Coronary heart disease is a common disease among the elderly. So how should coronary heart disease be diagnosed? The diagnosis of coronary heart disease mainly involves the following aspects: First, based on clinical symptoms, patients with coronary heart disease often experience episodes of angina pectoris, which are likely to occur during brisk walking or emotional excitement. Second, electrocardiogram diagnosis; during episodes of angina pectoris, the electrocardiogram often shows changes indicative of myocardial ischemia. Third, coronary angiography, which is a gold standard measure for the definitive diagnosis of coronary heart disease, allows for a clear diagnosis of whether coronary heart disease is present or not. Fourth, the exercise stress test, which can induce episodes of coronary heart disease and also serve as a diagnostic tool for the disease.

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Written by Chen Tian Hua

Cardiology

56sec

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What foods are suitable for coronary heart disease?

Patients with coronary heart disease should eat light, easily digestible foods, opt for low-salt and low-fat options, and consume plenty of fresh vegetables and fruits. Foods rich in dietary fiber, such as wheat, oats, and buckwheat, can also be eaten in moderation. Avoid foods high in animal fats and cholesterol, as well as salt-rich preserved items. In addition to dietary adjustments, patients with coronary heart disease should engage in reasonable exercise, effectively control their weight, maintain a good psychological state, and avoid overwork and staying up late, ensuring ample sleep at night. It is important to actively control risk factors such as high blood pressure, diabetes, and high blood cholesterol, provide long-term standardized medication treatment for coronary heart disease, and maintain stability of the condition.